Yedora, Grave Gardener + Ruthless Ripper + Stronghold Taskmaster

Prerequisites

• You have at least one additional black card in hand.

Steps

1. 1Activate Ruthless Ripper's morph ability by revealing a black card from your hand, turning it face-up and triggering its ability.
2. 2Ruthless Ripper dies as a state-based action due to having zero or less toughness.
3. 3Yedora triggers, returning Ruthless Ripper to the battlefield face-down as a Forest land.
4. 4Resolve the Ruthless Ripper trigger from step 1, causing target player to lose 2 life.
5. 5Repeat.

Effects

• Infinite creature ETB
• Infinite creature LTB
• Infinite death triggers
• Infinite green mana
• Infinite landfall triggers
• Infinite lifeloss